– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 am Mon 11 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Mon 11 May Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Mon 11 May Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 18mm), heaviest on Wed morning. Warm (max 25°C on Tue afternoon, min 7°C on Wed afternoon). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 30mm), heaviest during Fri afternoon. Mild temperatures (max 9°C on Sat afternoon, min 4°C on Fri night). Wind will be generally light. | |||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | Saturday 16 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  |  |  |  | | | | |  | | | | | |
clear | clear | clear | some clouds | rain shwrs | rain shwrs | mod. rain | light rain | mod. rain | rain shwrs | rain shwrs | rain shwrs | light rain | heavy rain | mod. rain | rain shwrs | rain shwrs | rain shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | 0.3 | 1.1 | 7 | 4 | 6 | 3 | 0.4 | 0.1 | 3 | 12 | 8 | 1.8 | 1.5 | 0.1 | |
max °C | 15 | 19 | 16 | 22 | 25 | 19 | 11 | 8 | 8 | 7 | 8 | 7 | 7 | 6 | 5 | 5 | 9 | 7 |
min °C | 11 | 18 | 14 | 18 | 23 | 11 | 9 | 7 | 7 | 7 | 8 | 5 | 5 | 5 | 4 | 4 | 8 | 4 |
11 | 18 | 14 | 18 | 23 | 11 | 8 | 6 | 6 | 6 | 7 | 5 | 3 | 3 | 1 | 2 | 8 | 4 | |
2850 | 3200 | 3500 | 3750 | 3600 | 3250 | 2350 | 1700 | 1650 | 1450 | 1600 | 1500 | 1300 | 1300 | 1150 | 1150 | 1550 | 1450 | |
Cloud base (m) | 1900 | 6850 | 8850 | 5850 | 6450 | 3250 | 750 | 550 | 600 | 650 | 650 | 2350 | 800 | 600 | 600 | 600 | 900 | 6900 |
 | 5:31 | — | — | 5:31 | — | — | 5:28 | — | — | 5:28 | — | — | 5:26 | — | — | 5:24 | — | — |
 | — | — | 8:36 | — | — | 8:37 | — | — | 8:38 | — | — | 8:39 | — | — | 8:42 | — | — | 8:43 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Moderate rain (total 18mm), heaviest on Wed morning. Warm (max 25°C on Tue afternoon, min 7°C on Wed afternoon). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 30mm), heaviest during Fri afternoon. Mild temperatures (max 9°C on Sat afternoon, min 4°C on Fri night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.